Finding the Fourth Proportional to 441,168.97, 661,430.83 and 141,478.96
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Solution
The fourth proportional to 441,168.97, 661,430.83 and 141,478.96 is: 212,114.98
Step by Step Solution
- Step 1: Write the proportion equation
441,168.97 : 661,430.83 = 141,478.96 : x - Step 2: Convert to fraction form
441,168.97/661,430.83 = 141,478.96/x - Step 3: Cross multiply
441,168.97x = 661,430.83 × 141,478.96 - Step 4: Simplify right side
441,168.97x = 93,578,545,940.34 - Step 5: Solve for x
x = 93,578,545,940.34/441,168.97 - Step 6: Final answer
x = 212,114.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.